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Bulletin 221 Production and Briquetting of Carbonized Lignite
By E. J. Babcock, W. W. Odell
The Bureau of Mines since its establishment has always taken an active interest in the utilization of lignite and in the development of the lignite dep'osits of the United States. Extensive lignite fi
Jan 1, 1923
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OFR-4-70 Mine Rescue And Survival - Coal Mining In The United States
In 1967 the United States consumed 58.8 quadrillion Btu of energy. Both the Atomic Energy Commission and the Resources for the Future, Inc., a private economic forecasting group, predict that the Unit
Jan 1, 1970
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IC 8462 Gold Placer Mining - Placer Evaluation And Dredge Selection
By C. M. Romanowitz
This report deals with the factors which should be considered in evaluating a placer deposit and selecting a dredging system for mineral recovery. Overall dredging feasibility and the design of dredgi
Jan 1, 1970
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RI 4870 Some Thermodynamic Values For Ferrous Oxide
By G. L. Humphrey
Although thermodynamic data for ferrous oxide are among the most important in extractive metallurgy, adequate values have not been available until quite recently. The older data suffered not only from
Jan 1, 1952
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RI 9272 - Mechanical and Physical Properties of Particulate Composites in the System Titanium Nitride-Alumina-Aluminum Nitride
By K. J. Liles
The U.S. Bureau of Mines evaluated the physical properties of ceramic particulate composites made from titanium nitride (TiN), alumina (AI203), and aluminum nitride (AlN) as part of a program to meet
Jan 1, 1989
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RI 5021 Continuous Electric Smelting Of Low-Grade Nickel Ores ? Introduction And Summary
By Herbert Cremer
The United States,-the largest nickel consumer in the world, produces virtually no nickel from domestic ores. Dependence upon outside nickel - sources and increasing strategic, importance of nickel fo
Jan 1, 1954
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Safety and Health Training for an Evolving Workforce: An Overview From the Mining Industry
By Launa G. Mallett, Charles Vaught, Dana C. Reinke, Lisa J. Steiner, Lynn L. Rethi, Kathleen M. Kowalski-Trakofler, Jr. Brnich, William J. Wiehagen
Safety and health professionals recognize that training is a critical element of any effective safety and health program. An extensive literature survey has led the authors to conclude that we are at
Jul 1, 2004
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Bulletin 202 Electric Brass-Furnace Practice
By H. W. Gillett, E. L. Mack
Prior to 1911 the literature on melting brass by electricity consisted entirely-save for some suggestions made in patent literature but not actually worked out-of a few observations by farseeing men '
Jan 1, 1922
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RI 8351 Evaluation of Selected Spinels and Perovskites as Candidate High-Temperature Molybdenum Coatings
By Max L. Glenn
As part of its goal to minimize requirements for mineral commodities through conservation and substitution, the Bureau of Mines conducted research to develop molybdenum as a potential substitute for s
Jan 1, 1979
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RI 8830 Alumina Miniplant Operations-Evaporative Crystallization of Aluminum Nitrate Nonahydrate From Aluminum Nitrate Solutions
By T. L. Turner, Daniel T. Rogers
As part of a program to investigate technology for the extraction of studied HNO3 alumina from abundant domestic ores , the Bureau of Mines leaching of calcined Georgia kaolinitic clay . In this inves
Jan 1, 1965
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OFR-55-79 Oil Mining - A Technical And Economic Feasibility Study Of Oil Production By Mining Methods
By Anthony Edey
This report describes work performed and results obtained for the technical and economic feasibility study of oil production by mining methods. The characteristics of oil fields which would make them
Jan 1, 1978
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RI 8819 Flocculation of Sulfide Mineral Fines by Insoluble Cross-Linked Starch Xanthate
By S. C. Termes, P. E. Richardson, R. L. Wilfong
"The Bureau of Mines conducted research on the flocculation of various minerals with insoluble cross-linked starch xanthate (ISX) to determine its potential as a beneficiation technique for low-grade,
Jan 1, 1983
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RI 2237 Some Factors Affecting Losses Of Coal In Mining
By George S. Rice
"It is well known that the lost coal left in the ground in mining, under such conditions that recovery is practically impossible, constitutes a large proportion of the coal in the beds worked. A recen
Apr 1, 1921
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OFR-115(1)-76 Technical And Economic Study Of The Modified In Situ Process For Oil Shale - Vol. I Investigation And Results
By James L. Ash
This report contains the results of a technical and economic evaluation of conceptual systems for the underground mining, rubblization, and in situ retorting of deep oil shale deposits. Study efforts
Jan 1, 1976
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OFR-69-80 Process For Recovering Chromium And Other Metals From Superalloy Scrap
By J. J. de Barbadillo
This report describes a process for recovering chromium and other metals from superalloy scrap. Part I contains the results of laboratory scale experiments which were conducted to test a complex f
Jan 1, 1980
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Gold Mining And Milling In The United States And Canada - Current Practices And Costs ? Introduction
By Charles F. Jackson
Gold mining is a subject that not only appeals to the popular imagination but has vital importance to the world's economic structure. However, a discussion of the use of gold as a medium of excha
Jan 1, 1932
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RI 9227 Zero-Surface-Charge-Controlled Drilling for Enhanced Penetration and Extended Bit Life
By John E. Pahlman
The U.S. Bureau of Mines has continued its investigation of chemical additive drilling fluids that produce a zero surface charge (ZSC) on a rock to better define the boundary conditions of the phenome
Jan 1, 1989
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OFR-22-72 Evaluation Of Anemometers For Use In Coal Mines - I. Introduction - A. Background
By J. F. McCoy
The quantitative determination of the mass rate of flow of methane in an underground airway is calculated as the product of the methane concentration and the air flow rate. Velocities are taken at sev
Jan 1, 1972
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RI 5686 Casting Technology For Titanium, Zirconium, And Hafnium ? Summary And Introduction
By S. L. Ausmus
The work covered in this report is a continuation of an earlier feasibility study by the Federal Bureau of Mines and points out improvements in the skull-melting method for casting reactive metals suc
Jan 1, 1960
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Microseismic Techniques For Monitoring The Behavior Of Rock Structures
By Wilson Blake
This report presents the results of a 7-year Bureau of Mines program to review, revise, and make an effective engineering tool of the microseismic method of determining the stability of rock structure
Jan 1, 1974